Friday, Power & Politics revealed the number 1 political game changer.

It is former NDP leader Jack Layton.

Layton's widow Olivia Chow and son Mike Layton spoke with Evan Solomon about Jack Layton's lasting legacy. View that interview at the top of this page. The House aired an interview with Chow and Anne McGrath, chief of staff to Layton and to current NDP Interim Leader Nycole Turmel.

Here are the rest of the political game changers for 2011:

Jim Flaherty on Stephen Harper's majority win: In an interview with Evan Solomon about the Conservatives' victory during a year of global upheaval, Finance Minister Jim Flaherty suggests that Canada would be willing to contribute to an IMF-led bailout for Europe. Also, watch what the Power Panel had to say about Harper's majority win.

Alberta Premier Alison Redford: It was a big year for women in politics, with four women leading their provinces or territories in 2011. View Alison Redford's take on 2011, and the Power Panel weighs in on Redford's road ahead and other women game changers in 2011, including Green Party Leader Elizabeth May.